Acid Black Cherry released their 4th album "L -エル-" on 2015/02/25, which immediately topped both Oricon Daily Charts and iTunes Store Top Album Ranking.
The concept of the album is "love", and it revolves around a lady named "L", who has been through a hard life. The songs are entwined with the story of her life, making the album a very interesting one to listen to. There is also a special 100 page story book included to the DVD version of the album.